15     def __init__(self):  argument
21     def setUp(self):  argument
37     def test_methods(self):  argument
45     def test_new_or_init(self):  argument
48     def test_len(self):  argument
55     def test_contains(self):  argument
65     def test_union(self):  argument
82     def test_or(self):  argument
87     def test_intersection(self):  argument
102     def test_isdisjoint(self):  argument
106     def test_and(self):  argument
111     def test_difference(self):  argument
119     def test_sub(self):  argument
124     def test_symmetric_difference(self):  argument
136     def test_xor(self):  argument
141     def test_sub_and_super(self):  argument
152     def test_lt(self):  argument
158     def test_gt(self):  argument
164     def test_gc(self):  argument
172     def test_subclass_with_custom_hash(self):  argument
175             def __hash__(self):  argument
185     def test_init(self):  argument
194     def test_constructor_identity(self):  argument
199     def test_hash(self):  argument
202     def test_clear(self):  argument
207     def test_copy(self):  argument
212     def test_add(self):  argument
226     def test_remove(self):  argument
233     def test_discard(self):  argument
240     def test_pop(self):  argument
246     def test_update(self):  argument
253     def test_update_set(self):  argument
258     def test_ior(self):  argument
263     def test_intersection_update(self):  argument
273     def test_iand(self):  argument
281     def test_difference_update(self):  argument
292     def test_isub(self):  argument
300     def test_symmetric_difference_update(self):  argument
310     def test_ixor(self):  argument
318     def test_inplace_on_self(self):  argument
330     def test_eq(self):  argument
340     def test_ne(self):  argument
346     def test_weak_destroy_while_iterating(self):  argument
362     def test_weak_destroy_and_mutate_while_iterating(self):  argument
399     def test_len_cycles(self):  argument
419     def test_len_race(self):  argument
443     def test_repr(self):  argument
446     def test_abc(self):  argument